Keep your business or home organization running smoothly with these Phomemo thermal labels! This 6-roll pack gives you 230 labels per roll in the handy 40x30mm (1.57x1.18 inch) size - perfect for price tags, barcode labels, product identification, and general organization. These labels are compatible with Phomemo M110, M100, M220, M150, M250, M221, M160, and M108 thermal label printers, so no ink or toner needed! The direct thermal printing technology provides clear, sharp printing without the mess of traditional printers. The self-adhesive backing has strong adhesion and is waterproof and oilproof, meaning your labels will stay put and remain readable even in challenging environments. You can use these versatile labels on various surfaces including paper, cardboard, glass, ceramics, wood, and metal - making them perfect for retail pricing, inventory management, shipping labels, office organization, or craft projects. The black on white design provides excellent contrast for easy reading, and the smart app compatibility means you can customize fonts, add filter effects, and create professional-looking labels with ease. Just remember to avoid attaching them to irregular, oily, or moist surfaces, and keep them away from alkaline substances that can damage the thermal coating. Whether you're running a small business, organizing your home, or managing inventory, these reliable thermal labels will make your labeling tasks quick and efficient. Stock up now and never run out when you need labels most!